AR-15 Upper Assembly – 10.5″ / 300 AAC / 1:8 / 9″ Hera Arms IRS Unmarked AR-15 Handguard / Rail

$299.00 $229.00

In stock



This AR-15 upper assembly is made from the highest quality parts and is assembled in Charleston, South Carolina. This particular AR-15 upper assembly features a linear compensator with the 12″ CBC Arms Keymod design is the classic Picatinny handguard/rail.

7075-T6 Aluminum
Mil-Spec Anodized Receiver
Pistol Length Gas Tube Assembly
10.5″ 300 AAC Barrel 
4150 Chrome Moly Steel Nitride Coated Barrel
Linear Compensator
Twist Rate: 1:8
12″ CBC Arms Keymod Handguard/Rail

*Does not include Bolt Carrier Group & Charging Handle
Please Note: An “AR-15 Pistol” upper assembly has a barrel less than 16” in length. Pistol uppers are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law. Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.

Additional information

Weight 2 lbs
Dimensions 16 x 11 x 2 in


Barrel Material

Barrel Coating

Barrel Length

Twist Rate



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